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Loans and Allowance for Loan Credit Losses - Schedule of Composition of the Loan Portfolio (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Mar. 31, 2025	Dec. 31, 2024		Jun. 30, 2024	Mar. 31, 2024	Dec. 31, 2023
Financing Receivable, Allowance for Credit Loss [Line Items]
Total Loans	$ 287,813		$ 313,287
Less allowance for credit losses	(4,193)	$ (4,476)	(4,514)		$ (4,337)	$ (4,324)	$ (4,319)
Loans, net	283,620		308,773	[1]
Commercial real estate
Financing Receivable, Allowance for Credit Loss [Line Items]
Total Loans	52,540		53,480
Less allowance for credit losses	(1,307)	(1,304)	(1,140)		(1,136)	(1,217)	(1,233)
Commercial
Financing Receivable, Allowance for Credit Loss [Line Items]
Total Loans	5,023		27,883
Less allowance for credit losses	(88)	(259)	(483)		(167)	(177)	(189)
Residential real estate closed-end
Financing Receivable, Allowance for Credit Loss [Line Items]
Total Loans	210,426		210,730
Less allowance for credit losses	(2,560)	(2,675)	(2,644)		(2,756)	(2,681)	(2,668)
Other consumer loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Total Loans	19,824		21,194
Less allowance for credit losses	$ (238)	$ (238)	$ (247)		$ (278)	$ (249)	$ (229)
[1] Derived from audited consolidated financial statements.

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- Definition

Amount excluding accrued interest, of allowance for credit loss on financing receivable. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
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+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name Regulation S-K (SK)
-Number 229
-Section 1405
-Paragraph c
-Publisher SEC

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Publisher FASB
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+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479344/326-20-45-1

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Amortized cost excluding accrued interest, before allowance for credit loss, of financing receivable. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479344/326-20-45-1

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-URI https://asc.fasb.org/1943274/2147479319/326-20-50-3B

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-Topic 326
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